Process Equipment and Plant Design Overall tray efficiency of a distillation column is the ratio of the number of Real trays required to the number of ideal trays required Overall gas transfer units to the number of ideal trays required None of these Ideal trays required to the number of real trays required Real trays required to the number of ideal trays required Overall gas transfer units to the number of ideal trays required None of these Ideal trays required to the number of real trays required ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid) 4 A/P A/P 4 P/A √A 4 A/P A/P 4 P/A √A ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a long tube vertical evaporator. None of these Tube dia is 3-6 cms, while tube length in 3-6 metres Steam is fed to the shell, whereas the liquor is filled inside the tube Liquor level is maintained at l/3rd to 1/2 of the height of the tube None of these Tube dia is 3-6 cms, while tube length in 3-6 metres Steam is fed to the shell, whereas the liquor is filled inside the tube Liquor level is maintained at l/3rd to 1/2 of the height of the tube ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the case of a shell and tube heat exchanger, the logarithmic mean temperature difference Is always less than arithmetic mean value, but more than geometric mean value Is always more than arithmetic mean value and the geometric mean value Is always less than arithmetic average value May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current Is always less than arithmetic mean value, but more than geometric mean value Is always more than arithmetic mean value and the geometric mean value Is always less than arithmetic average value May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A head comprises of straight flange section, corner torus, section and central dished section. Crown radius and knuckle radius in a head is related respectively to the Central dished section and corner torus section Central dished section and straight flange section Straight flange section and corner torus section Corner torus section and central dished section Central dished section and corner torus section Central dished section and straight flange section Straight flange section and corner torus section Corner torus section and central dished section ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A 'rupture disc' is provided in chemical equipments as an accessory meant for Enhancing mixing rate Relieving excess pressure Avoiding vortex formation Creating turbulence Enhancing mixing rate Relieving excess pressure Avoiding vortex formation Creating turbulence ANSWER DOWNLOAD EXAMIANS APP
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